Store RV logo in rodata, rather than making it on the fly

This works around a stack overflow.

pk/logo.c

@@ -1,51 +1,32 @@
 #include <string.h>
 #include "file.h"
 
-#define W 46
-#define D 21
-#define T 5
+static const char logo[] =
+"              vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv\n"
+"                  vvvvvvvvvvvvvvvvvvvvvvvvvvvv\n"
+"rrrrrrrrrrrrr       vvvvvvvvvvvvvvvvvvvvvvvvvv\n"
+"rrrrrrrrrrrrrrrr      vvvvvvvvvvvvvvvvvvvvvvvv\n"
+"rrrrrrrrrrrrrrrrrr    vvvvvvvvvvvvvvvvvvvvvvvv\n"
+"rrrrrrrrrrrrrrrrrr    vvvvvvvvvvvvvvvvvvvvvvvv\n"
+"rrrrrrrrrrrrrrrrrr    vvvvvvvvvvvvvvvvvvvvvvvv\n"
+"rrrrrrrrrrrrrrrr      vvvvvvvvvvvvvvvvvvvvvv  \n"
+"rrrrrrrrrrrrr       vvvvvvvvvvvvvvvvvvvvvv    \n"
+"rr                vvvvvvvvvvvvvvvvvvvvvv      \n"
+"rr            vvvvvvvvvvvvvvvvvvvvvvvv      rr\n"
+"rrrr      vvvvvvvvvvvvvvvvvvvvvvvvvv      rrrr\n"
+"rrrrrr      vvvvvvvvvvvvvvvvvvvvvv      rrrrrr\n"
+"rrrrrrrr      vvvvvvvvvvvvvvvvvv      rrrrrrrr\n"
+"rrrrrrrrrr      vvvvvvvvvvvvvv      rrrrrrrrrr\n"
+"rrrrrrrrrrrr      vvvvvvvvvv      rrrrrrrrrrrr\n"
+"rrrrrrrrrrrrrr      vvvvvv      rrrrrrrrrrrrrr\n"
+"rrrrrrrrrrrrrrrr      vv      rrrrrrrrrrrrrrrr\n"
+"rrrrrrrrrrrrrrrrrr          rrrrrrrrrrrrrrrrrr\n"
+"rrrrrrrrrrrrrrrrrrrr      rrrrrrrrrrrrrrrrrrrr\n"
+"rrrrrrrrrrrrrrrrrrrrrr  rrrrrrrrrrrrrrrrrrrrrr\n"
+"\n"
+"       INSTRUCTION SETS WANT TO BE FREE\n";
 
 void print_logo()
 {
-  static const char end[] = "\n       INSTRUCTION SETS WANT TO BE FREE\n\n";
-  static const char fill[T] = {'r', ' ', 'v', ' ', 'r'};
-  static const char logo[D][T] =
-   {{0, 14, 46, 46, 46},
-    {0, 18, 46, 46, 46},
-    {13, 20, 46, 46, 46},
-    {16, 22, 46, 46, 46},
-    {18, 22, 46, 46, 46},
-    {18, 22, 46, 46, 46},
-    {18, 22, 46, 46, 46},
-    {16, 22, 44, 46, 46},
-    {13, 20, 42, 46, 46},
-    {2, 18, 40, 46, 46},
-    {2, 14, 38, 44, 46},
-    {4, 10, 36, 42, 46},
-    {6, 12, 34, 40, 46},
-    {8, 14, 32, 38, 46},
-    {10, 16, 30, 36, 46},
-    {12, 18, 28, 34, 46},
-    {14, 20, 26, 32, 46},
-    {16, 22, 24, 30, 46},
-    {18, 22, 22, 28, 46},
-    {20, 20, 20, 26, 46},
-    {22, 22, 22, 24, 46}};
-
-  char result[D*(W+1) + sizeof(end)];
-  char* pos = result;
-  for (size_t i = 0; i < D; i++) {
-    for (size_t j = 0, p = 0; j < T; j++) {
-      if (p == logo[i][j])
-        continue;
-      do {
-        *pos++ = fill[j];
-        p++;
-      } while (p < logo[i][j]);
-    }
-    *pos++ = '\n';
-  }
-  memcpy(pos, end, sizeof(end));
-
-  file_write(stderr, result, (pos - result) + sizeof(end));
+  file_write(stderr, logo, sizeof logo);
 }